The Moon on this date
Moon on Thursday, August 17, 1911
Last Quarter
47.8% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- NE
- Highest
- 70°
- Moonset
- NW
60°30°
Horizon
11:28 PM
1:46 PM
70°
Key figures
- Illuminated
- 47.8%
- Age
- 22.9 days
- Distance
- 371,600 km
- Apparent size
- 32.1′
- Constellation
- Taurus
- Lunation number
- -141
Events on this date
-
Mars, Moon, and Saturn gathered
All within 3.8° of each other in the sky.
-
Moon and Saturn close together
They pass 3.8° apart in the sky.
-
Moon and Mars close together
They pass 3.5° apart in the sky.
-
Last Quarter
Half of the disc is lit. The Moon rises around midnight and is up through the morning.
Exact values
For Aug 17, 12:00 PM, midday on this date.
| Elongation from the Sun | 272.61° |
|---|---|
| Phase angle | 92.47° |
| Illuminated fraction | 47.85% |
| Altitude / azimuth | 17.4° / 282.8° |
| Right ascension / declination | 3h 34m / 21.23° |
| Ecliptic longitude / latitude | 56.27° / 1.96° |
| Libration in longitude / latitude | -4.79° / -2.12° |
| Sub-solar longitude / latitude | -96.35° / 1.43° |
| Position angle of the axis | 347.4° |
| Position angle of the bright limb | 76.1° |
| Apparent magnitude | -10.1 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.